On the other hand, as her sleep was once more disturbed, might she not be tempted to take action without waiting for the appointed moment? Was this not the reason why she had locked herself into her room? Heavens, what agonies her prisoner must be suffering! What shudders of terror at the executioner's least movement!

"Faster, Adolphe, or I'll take the wheel myself! Faster, hang it."

At last they reached Ville d'Avray. There was a steep, sloping road on the right and walls interrupted by a long railing.

"Drive round the grounds, Adolphe. We mustn't give warning of our presence, must we, M. de Lourtier? Where is the cottage?"

"Just opposite," said M. de Lourtier-Vaneau.

They got out a little farther on. Rénine began to run along a bank at the side of an ill-kept sunken road. It was almost dark. M. de Lourtier said:

"Here, this building standing a little way back.... Look at that window on the ground-floor. It belongs to one of the separate rooms ... and that is obviously how she slips out."

"But the window seems to be barred."

"Yes; and that is why no one suspected anything. But she must have found some way to get through."

The ground-floor was built over deep cellars. Rénine quickly clambered up, finding a foothold on a projecting ledge of stone.